How To Use Demantoid In A Sentence
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Gem varieties include topazolite, similar in color and transparency to topaz; demantoid, a green variety with a high dispersion and adamantine luster, sometimes miscalled olivine and Uralian emerald; and black melanite.
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Five slightly smaller clusters encircle the center, each with a faceted demantoid green garnet at its center.
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There are varieties of andradite that include, demantoid, which is the most valuable of all garnets, melanite (opaque, black), and topazolite (yellow).
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The use of "demantoid" alone, if a noun may be made from the adjective, would avoid both the confusion with the mineral olivine, and the cheapening effect of the word garnet, and would at the same time suggest some of the most striking properties of the material.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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The stones are frequently referred to as "demantoid garnets" on account of their diamond-like luster and dispersion.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Andradite garnet, of the variety known as demantoid, from its diamond-like properties, and which is usually sold under the misleading name "olivine" in the trade, comes from the western slopes of the Ural
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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The light colored andradite varieties topazolite and demantoid occur mainly in serpentinites and chlorite schists.
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The third major find in recent years is green andradite, some of which may be considered demantoid.
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Peridot (chrysolite), demantoid garnet ( "olivine"), jade
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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The andradite garnets furnish the brilliant, nearly emerald green demantoids (so often called
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Pair of demantoid garnet and diamond ear pendants by JAR
Courtesy of Christies Colored diamond...
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The demantoid garnet (the "olivine" of the trade) is so beautiful and brilliant a stone that it is a pity that it is so lacking in hardness.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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The luster, too, is diamond-like as the name "demantoid" signifies.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Superimposed on the spray is a diamond and demantoid garnet butterfly.
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The third major find in recent years is green andradite, some of which may be considered demantoid.
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While the price charged usually bears a fair relation to the value of the material furnished, it would be better to offer tourmaline, or peridot (the mineral name of which is olivine), or demantoid garnet (sometimes wrongly called "Olivine"), or "emerald doublets," or emerald or
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Schists and serpentines yield the demantoid and topazolite varieties of andradite.
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The demantoid garnet (sometimes called "olivine" in the trade).
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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In addition to providing a ready means of identifying the diamond, a high degree of dispersion in a stone of pronounced color would lead one to consider sphene, demantoid garnet (if green), and zircon (which might be reddish, yellowish, brown, or of other colors), and if the stone did not agree with these in its other properties one should suspect _glass_.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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Other faceted stones include bright emerald-green demantoid garnets, golden citrines and heliodors, and large faceted aquamarines with colors of sky-blue and sea-green.
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The future availability of chatoyant demantoid in not known.
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The dragonflies' backs are composed of graduated black opals and the heads are of pink opals with demantoid garnet eyes.
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With this account of the stone and a few chances to see the real demantoid garnet beside an emerald no one would be likely to mistake one for the other.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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In particular, it would have been good to include fancy colored sapphires (other than padparadsha), demantoid, jadeite, red beryl, and benitoite, to name a few.
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The main uses of garnets are for abrasives and grinding materials; they also provide semi-precious gemstones such as rhodolite, demantoid, and grossular.
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The name topazolite is considered obsolete by many, with yellow andradite or yellow demantoid being preferred names for the stones described.
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The main uses of garnets are for abrasives and grinding materials; they also provide semi-precious gemstones such as rhodolite, demantoid, and grossular.
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The use of "demantoid" alone, if a noun may be made from the adjective, would avoid both the confusion with the mineral olivine, and the cheapening effect of the word garnet, and would at the same time suggest some of the most striking properties of the material.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public